Summary 1 Field studies were conducted in central Sweden to establish whether two host
plants with high and low suitability for pollen beetles (Meligethes aeneus Fabr.[Coleoptera …

Field experiments were conducted at Ultuna in central Sweden in order to determine if
parasitism of pollen beetle larvae (Meligethes aeneus Fabr. and Meligethes viridescens …

The three most abundant Ichneumonid parasitoid species attacking pollen beetles in
southern Sweden are Phradis interstitialis, P. morionellus and Tersilochus heterocerus. The …

The impact of predators and parasitoids on larval populations of the nitidulid Meligethes
aeneus was studied in spring and winter rape in Sweden in 1976-78. Very few predators …

The parasitic wasp Anaphes flavipes (Förster, 1841)(Hymenoptera: Mymaridae) is an
important egg parasitoid of cereal leaf beetles. Some species of cereal leaf beetle co-occur …

The parasitoids of pollen beetles (Meligethes spp., notably M. aeneus) are all larval
endoparasitoids, and all are hymenopterans; there are at least nine European species …

Data on annual percent parasitism of Meligethes aeneus (Nitidulidae) larvae by Phradis
morionellus (Ichneumoniidae) were collected in Finland for 11 years (1985-1995) from 35 …

Larvae of the leaf beetle Chrysomela lapponica obtain salicyl glucosides (SGs) from the host
plant to produce a defensive secretion with salicylaldehyde. In northern Russia, larvae and …

Predatory arthropods occurring in turnip rapeseed fields in southern Finland were examined
in three separate studies in 1983-85, 1993, and 1999-2000. Only a few euconstant species …

Abstract 1 The effects of floral resources of several important non‐crop host plants of Lygus
lineolaris on the longevity of Anaphes iole, one of its natural enemies, was studied. 2 …